Types of non experimental research
What is non experimental quantitative research?
Type of quantitative research in which the independent variable is not manipulated by the researcher
A variable a researcher ensures does not vary across levels of the IV to rule the matching variable out as a competing alternative explanation
What is matching variable?
This country the study took place in
What is Guatemala?
Research focusing on providing an accurate picture or description of the status or characteristic of a situation or phenomenon
What is Descriptive NQR?
This type examines relationships between variables without manipulation?
What is correlation research?
The inclusion of participants from only one category or level of the extraneous variables
what is holding the extraneous variables constant?
This disease was intentionally spread during the study
What is syphillis?
Quantitative technique for describing the relationshi between variables across multiple research studies
What is meta-analysis?
This types follows participants over a long period of time
What is longitudinal research?
Control of extraneous variables during data analysis, usually using statistical software
What is statistical control?
Participants were not informed or did not consent, violating this principal
What is informed consent?
Research focuses on determining the psychometric propertie (reliabilit, validity, dimensionality, and operation across different kinds of people) of measurement instruments
What is measurement research?
What are examples of independent variables that cannot be change?
What is gender,age,parenting style, ethnicit, developmen stage,intelligence, and personality traits
This technique involves keeping certain var constant to reduce their impact?
What is holding variables constant?
This aspect of the study shows it was NOT purely non-experimental
What is the intentional manipulation/ infection of participants?
The use of one or more predictor variables to make predictions about outcomes occurring in the future
What is predictive NQR?
Set of nine criteria used cumulatively to produce evidence of causation
Bradford Hill criteria for causation
This occurs when researchers include a third variable in analysis to reduce its effect?
What is controlling for a confounding variable?
This is why the study cannot be ethically replicated today
What is violation of human rights/ethical standards?
Nonexperimental research focused on how and why a phenomenon operates and in gaining some evidence of cause and effect
What is explanatory NQR?